大约有 40,000 项符合查询结果（耗时：0.0500秒） [XML]
How can I use pickle to save a dict?
... pickling a dict will fail unless you have only simple objects in it, like strings and integers.
Python 2.7.9 (default, Dec 11 2014, 01:21:43)
[GCC 4.2.1 Compatible Apple Clang 4.1 ((tags/Apple/clang-421.11.66))] on darwin
Type "help", "copyright", "credits" or "license" for more information.
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Parsing HTML into NSAttributedText - how to set font?
...the answer given by Javier Querol
extension UILabel {
func setHTMLFromString(text: String) {
let modifiedFont = NSString(format:"<span style=\"font-family: \(self.font!.fontName); font-size: \(self.font!.pointSize)\">%@</span>", text) as String
let attrStr = try! NS...
How to repair a serialized string which has been corrupted by an incorrect byte count length?
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array
'submit_editorial' => boolean false
'submit_orig_url' => string 'www.bbc.co.uk' (length=13)
'submit_title' => string 'No title found' (length=14)
'submit_content' => string 'dnfsdkfjdfdf' (length=12)
'submit_category' => int 2
'submit_tags' => string 'bbc' (leng...
Counting the number of True Booleans in a Python List
...reinforce that the concept of "true" is more complex; with a little bit of extra code (i.e. using bool()) you can make the solution more robust and more general.
– Ned Deily
Oct 7 '12 at 5:03
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How do I strip non alphanumeric characters from a string and keep spaces?
... result you'd want or expect. From the docs "Performs the substitutions of String#gsub in place, returning str, or nil if no substitutions were performed. If no block and no replacement is given, an enumerator is returned instead."
– dft
Jan 20 '16 at 6:45
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What is the “double tilde” (~~) operator in JavaScript? [duplicate]
... browsers, and not faster at all in some browsers. If you really need that extra bit of performance, you would need to write different optimised code for each browser.
See: tilde vs floor
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Ruby - elegantly convert variable to an array if not an array already
... class Array; singleton_class.send(:alias_method, :hug, :wrap); end for extra cuteness.
– rthbound
Sep 17 '15 at 16:10
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Continuously read from STDOUT of external process in Ruby
... (both of which do the same thing) to see any hidden characters within the string.
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Why does one often see “null != variable” instead of “variable != null” in C#?
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In earlier times, people would forget the '!' (or the extra '=' for equality, which is more difficult to spot) and do an assignment instead of a comparison. putting the null in front eliminates the possibility for the bug, since null is not an l-value (I.E. it can't be assigned ...
CSS Cell Margin
...gin does not work unfortunately on individual cells, however you could add extra columns between the two cells you want to put a space between... another option is to use a border with the same colour as the background...
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